340342153 has 2 divisors, whose sum is σ = 340342154. Its totient is φ = 340342152.

The previous prime is 340342151. The next prime is 340342253. The reversal of 340342153 is 351243043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266244489 + 74097664 = 16317^2 + 8608^2 .

It is a cyclic number.

It is not a de Polignac number, because 340342153 - 2¹ = 340342151 is a prime.

It is a super-2 number, since 2×340342153² = 231665562217350818, which contains 22 as substring.

Together with 340342151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340342151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170171076 + 170171077.

It is an arithmetic number, because the mean of its divisors is an integer number (170171077).

Almost surely, 2^340342153 is an apocalyptic number.

It is an amenable number.

340342153 is a deficient number, since it is larger than the sum of its proper divisors (1).

340342153 is an equidigital number, since it uses as much as digits as its factorization.

340342153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 340342153 is about 18448.3645074570. The cubic root of 340342153 is about 698.1872504961.

Adding to 340342153 its reverse (351243043), we get a palindrome (691585196).

The spelling of 340342153 in words is "three hundred forty million, three hundred forty-two thousand, one hundred fifty-three".